Connecting and Using Connecting and Using Implements with the Implements with the

TractorTractor

Set 5Set 5

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Marissa MortonSAAIP Top Jobs Intern

Hitching and the Hitching and the Center of GravityCenter of Gravity

Pulling a load with the downward Pulling a load with the downward and rearward force above the and rearward force above the tractor’s center of gravity will tractor’s center of gravity will result result in a rear overturn.in a rear overturn.

Hitch only to the drawbar! Hitch only to the drawbar! Hitching anywhere else canHitching anywhere else can lead to a rear overturn lead to a rear overturn and death!and death!

http://www.nstmop.psu.edu/tasksheets/5.1%20Connecting%20Implements%20to%20the%20Tractor.pdf

Hitching SafelyHitching Safely

If your foot slips from the clutch If your foot slips from the clutch while hitching to a machine, a while hitching to a machine, a helper could be crushed!helper could be crushed!

If you have never used a If you have never used a particular implement, ask for a particular implement, ask for a demonstration before you try the demonstration before you try the job.job.

Using 3-Point Hitch Using 3-Point Hitch Implements Implements

Make sure you know how wide the implement is Make sure you know how wide the implement is compared to the tractorcompared to the tractor

Be sure the machine is in “transport” or “up” Be sure the machine is in “transport” or “up” position for travel on public roadways.position for travel on public roadways.

Lower the machine to the “field” position when Lower the machine to the “field” position when you are ready to use it.you are ready to use it.

Engage the machine operation mechanism Engage the machine operation mechanism (levers, pins, etc) for the wheels to power the (levers, pins, etc) for the wheels to power the machine if you are using a ground-driven machine if you are using a ground-driven machine. A qualified operator should machine. A qualified operator should demonstrate this procedure for each machine.demonstrate this procedure for each machine.

Begin field operation of the machine by paying Begin field operation of the machine by paying attention to field boundary fences and obstacles.attention to field boundary fences and obstacles.

Using 3-Point Hitch Using 3-Point Hitch Implements (cont.)Implements (cont.)

Allow space at ends of rows or fields to left the Allow space at ends of rows or fields to left the equipment with the 3-point hydraulic liftequipment with the 3-point hydraulic lift

Do not make turns with a 3-point hitch implement in or Do not make turns with a 3-point hitch implement in or on the groundon the ground

Backing a 3-point hitch implement while it is lowered Backing a 3-point hitch implement while it is lowered onto the ground can plug the seed drops of the planter. onto the ground can plug the seed drops of the planter. Lift the implement before reversing the direction you Lift the implement before reversing the direction you are going to prevent possible damage to the implement are going to prevent possible damage to the implement or 3-point hitch draft and lift armsor 3-point hitch draft and lift arms

Lift the implement to the transport position before Lift the implement to the transport position before using public roads or passing through narrow farm using public roads or passing through narrow farm gates. Ground driven implements operated on gates. Ground driven implements operated on roadways can damge the road surfaceroadways can damge the road surface

Making PTO Making PTO ConnectionsConnections

PTOPTO SpeedsSpeeds—designed to rotate at 540 —designed to rotate at 540 rpm or 1,000 rpm. Dual speed PTO’s rpm or 1,000 rpm. Dual speed PTO’s may reach 630-1,170 rpm.may reach 630-1,170 rpm.

PTOPTO SplinesSplines—by counting the number of —by counting the number of splines or teeth, the operator can identify splines or teeth, the operator can identify the speed of the PTO in rpm’sthe speed of the PTO in rpm’s

PTOPTO SizesSizes—PTO stub shaft diameter for —PTO stub shaft diameter for 540 rpm shaft is 1 3/8 inch and the 540 rpm shaft is 1 3/8 inch and the 1,000 rpm stub shaft with 21 teeth is 1 1,000 rpm stub shaft with 21 teeth is 1 3/8 inch3/8 inch

PTO—Adult PTO—Adult ResponsibilitiesResponsibilities

Be sure implement is in working orderBe sure implement is in working order Be sure that all safety features are in Be sure that all safety features are in

placeplace Be sure the work area has no hazardsBe sure the work area has no hazards Be sure the youth has long hair tied up Be sure the youth has long hair tied up

out of the way, has non-skid shoes, out of the way, has non-skid shoes, and snug-fitting clothes. Hearing and snug-fitting clothes. Hearing protection is recommended as well.protection is recommended as well.

PTO Entanglements:PTO Entanglements:

Generally involve the Generally involve the operator 78% of the timeoperator 78% of the time

Occurred when shielding Occurred when shielding was absent/damaged in was absent/damaged in 70% of the cases70% of the cases

Were at the PTO coupling, Were at the PTO coupling, either at the tractor or either at the tractor or implement connection implement connection nearly 70% of the timenearly 70% of the time

Involved a bare shaft, Involved a bare shaft, spring loaded push pin, or spring loaded push pin, or through bolt component through bolt component at the point of contact at the point of contact nearly 63% of the timenearly 63% of the time

Occurred with Occurred with stationary equipment stationary equipment 50% of the cases50% of the cases

Involved semi-Involved semi-stationary equipment stationary equipment 28% of the time28% of the time

Happened mostly with Happened mostly with incidents involving incidents involving non-moving machinery non-moving machinery at the time of the at the time of the incidentincident

Occurred 4% of the Occurred 4% of the time when no time when no equipment was equipment was attached to the tractorattached to the tractor

Precautions When Precautions When Using HydraulicsUsing Hydraulics

For safe and correct operation, For safe and correct operation, remember these 3 points:remember these 3 points:

1.1. Clean Oil NeedsClean Oil Needs

2.2. Heat Generated By UseHeat Generated By Use

3.3. Oil Leaks Under PressureOil Leaks Under Pressure

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Connecting Hydraulic Connecting Hydraulic Hoses to CouplersHoses to Couplers

Use the following steps:Use the following steps:– Use gloves or a wipe cloth to remove Use gloves or a wipe cloth to remove

dirt and grit from the couplersdirt and grit from the couplers– Remove the dust covers from the Remove the dust covers from the

couplerscouplers– Push the couplers together until the Push the couplers together until the

lock ring snaps the two parts lock ring snaps the two parts securely. securely.

Disconnecting Disconnecting Hydraulic HosesHydraulic Hoses

Use the following steps:Use the following steps:– Relieve the static pressureRelieve the static pressure– Push back on the lock ringPush back on the lock ring– Remove the hydraulic hoseRemove the hydraulic hose– Replace the dust caps on each Replace the dust caps on each

connectorconnector– Hang the hoses on the implementHang the hoses on the implement– Keep hoses off the groundKeep hoses off the ground

Electrical NeedsElectrical Needs

LightsLights—added for nighttime operation, —added for nighttime operation, repair work, and warning signals on repair work, and warning signals on public roadway transportpublic roadway transport

ElectricalElectrical SensorsSensors—measure —measure equipment operation functionsequipment operation functions

MonitorsMonitors—signal operator when —signal operator when machine function is disruptedmachine function is disrupted

WarningWarning DevicesDevices—activated when —activated when reverse gear sounds alarm. Horns and reverse gear sounds alarm. Horns and lights warn bystanders of actionslights warn bystanders of actions

ConvenienceConvenience OutletsOutlets—using wiring —using wiring harness, permit connection to trailer or harness, permit connection to trailer or wagon for proper lighting on public wagon for proper lighting on public roadsroads

Using Electrical Using Electrical ConnectionsConnections

Turn powered device to “off”Turn powered device to “off” Wipe away moisture and dirt before Wipe away moisture and dirt before

connectingconnecting Lift protective cover to make connectionLift protective cover to make connection Align the prongs or plugs. Do not force Align the prongs or plugs. Do not force

connections togetherconnections together Grip connector body. Do not pull cord!Grip connector body. Do not pull cord! Consult Operator’s Manual for more info.Consult Operator’s Manual for more info.